/* Modernized PTET Styles */
:root {
    --primary: #ff3d00;
    --primary-glow: rgba(255, 61, 0, 0.15);
    --secondary: #6366f1;
    --accent: #10b981;
    --dark: #0a0b10;
    --text-muted: #9ca3af;
    --glass: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --radius: 24px;
}

.ptet-container {
    max-width: 1000px;
    margin: 60px auto;
    padding: 60px;
    background: #fff;
    border-radius: var(--radius);
    box-shadow: 0 30px 60px rgba(0,0,0,0.05);
}

.ptet-container h1 {
    font-size: 3rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 40px;
    background: linear-gradient(135deg, var(--dark) 0%, #333 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.ptet-container h2 {
    font-size: 2rem;
    color: var(--primary);
    margin-top: 50px;
    margin-bottom: 25px;
    border: none;
    display: flex;
    align-items: center;
    gap: 15px;
}

.ptet-container h2::before {
    content: '';
    width: 30px;
    height: 4px;
    background: var(--primary);
    border-radius: 2px;
}

.ptet-container p {
    color: #4b5563;
    line-height: 1.9;
    font-size: 1.15rem;
    margin-bottom: 25px;
}

.thumbnail {
    width: 100%;
    border-radius: var(--radius);
    margin: 40px 0;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    transition: transform 0.4s ease;
}

.thumbnail:hover {
    transform: translateY(-5px);
}

@media (max-width: 768px) {
    .ptet-container {
        margin: 30px 15px;
        padding: 30px 20px;
        border-radius: 16px;
    }
    .ptet-container h1 {
        font-size: 2.2rem;
    }
    .ptet-container h2 {
        font-size: 1.6rem;
    }
    .ptet-container p {
        font-size: 1.05rem;
    }
}